College of Engineering: المرسلات الحديثة
السجلات المعروضة 1741 -- 1760 من 8352
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The PiP model and progress in ground vibration from railways
( Australian Acoustical Society , 2017 , Conference Paper)Vibration in the ground causes problems. At large amplitude vibration causes damage, the most obvious example being earthquake damage. But the ground motion in a damaging earthquake is typically low-frequency (below 1Hz) ... -
Accounting for the influence of the free surface on the vibration response of underground railway tunnels: A new iterative method
( KU Leuven - Departement Werktuigkunde , 2020 , Conference Paper)This paper presents a new method for calculating the ground-borne vibration from shallow underground railways. The method is based on an iterative wave-scattering approach, which decouples the problem into two sub-systems: ... -
Numerical study on the damping characteristics of a shock absorber valve utilizing different velocities through CFD analysis
( National Technical University of Athens , 2021 , Conference Paper)Shock absorbers or hydraulic dampers are power dissipating devices. The fluid flow inside the damper is governed by predefined passages. The damping effect is accomplished by the resistance of oil to flow through the ... -
Energy harvesting from railway vibrations - A numerical study based on beam-on-elastic-foundation under quasi-static loading
( National Technical University of Athens , 2021 , Conference Paper)The objective of this paper is to investigate energy harvesting of train-induced rail vibrations and to provide a comparison between various feasible harvesting locations based on the expected electrical power output. ... -
Effect of rail unevenness correlation on the prediction of ground-borne vibration from railways
( DC/ConfOrg , 2015 , Conference Paper)This paper presents the influence of rail unevenness correlation on the predicted track and ground vibration. The study is based on an integrated railway model in the wavenumber-frequency domain with varying complexity ... -
Experimental validation of a numerical model for the ground vibration from trains in tunnels
( DC/ConfOrg , 2015 , Conference Paper)Ground vibration and ground-borne noise from trains in tunnels are attracting increasing attention from researchers and engineers. They are important environmental issues related with the operation of underground networks ... -
A comprehensive review of power flow controllers in interconnected power system networks
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Article Review)Energy security is one of the most crucial factor in the development of any nation. Interconnections among different power system networks are made to lower the overall price of power generation as well as enhance the ... -
A high efficiency and high reliability single-phase modified quasi Z-Source inverter for non-isolated grid-connected applications
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Quazi Z-Source inverter (qZSI) is a promising inverter topology that can buck or boost input voltage without a DC-DC converter and hence can be used in transformerless configuration. This is a high efficiency solution ... -
A Novel Modified Switched Inductor Boost Converter with Reduced Switch Voltage Stress
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Recently, switched inductor (SI) and switched capacitor techniques in dc-dc converter are recommended to achieve high voltage by using the principle of parallel charging and series discharging of reactive elements. It is ... -
Non-Isolated DC-DC Power Converter with High Gain and Inverting Capability
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)As the voltage gain of converter increases with the same ratio, the current gain also increases, this increase in current gains will affect the size of the input and the output capacitor. To reduce the ripple in the input ... -
A social-ecological perspective for emerging cities: The case of Corniche promenade, “urban majlis” of Doha
( EnPress Publisher, LLC , 2022 , Article)In the past decade, the capital city of Doha of the State of Qatar has experienced rapid urban expansion and other changes due to globalization, which has caused (i) the loss of a compact urban pattern, (ii) landscape ... -
Towards a knowledge-hub destination: analysis and recommendation for implementing TOD for Qatar national library metro station
( Springer , 2023 , Article)During the past two decades, Qatar, a developing country, has invested heavily in infrastructure development to address several challenges caused by the rapid urbanization. Qatar has made a significant step toward its urban ... -
Rethinking urbanism in Doha : The Qatar National Museum transit-oriented development
( Henry Stewart Publications LLP , 2021 , Article)The urban environment of Doha has witnessed a remarkable transformation during the past few decades, which has been triggered by economic growth due to oil and gas revenues. Doha has attracted foreign investment to participate ... -
Strategies for the urban regeneration of the Museum of Islamic Art Park in Doha, Qatar
( Henry Stewart Publications LLP , 2023 , Article)Doha has witnessed rapid urban growth, an increasing population rate and a greater reliance on cars as the primary mode of transport. This has caused social and environmental problems related to a sprawling urban pattern, ... -
An urban regeneration-placemaking strategy for the Qatar National Museum and Souq Waqif’s transit-oriented development in Doha, State of Qatar
( Henry Stewart Publications LLP , 2023 , Article)In the past 20 years, the State of Qatar has undergone rapid urban growth. Doha, the capital city, has capitalised on large-scale urban and infrastructural projects to strengthen and diversify its economy. The transport ... -
Transit‐Oriented Development and Livability: The Case of the Najma and Al Mansoura Neighborhoods in Doha, Qatar
( Cogitatio Press , 2022 , Article)Since the 1970s, Qatar’s rapid urban growth has resulted in a segregated and poorly connected urban form, particularly in the country’s capital, Doha. Although the recent opening of the Doha Metro has begun to mitigate ... -
Sustainable Status Assessment of the Transit-Oriented Development in Doha’s Education City
( MDPI , 2023 , Article)Doha, the capital of the State of Qatar, has seen rapid growth in recent years, resulting in challenges that can be addressed through sustainable urban design strategies. Such approaches, including Transit-Oriented ... -
Novel Polyepoxysuccinic Acid-Grafted Polyacrylamide as a Green Corrosion Inhibitor for Carbon Steel in Acidic Solution.
( American Chemical Society , 2023 , Article)Utilizing green corrosion inhibitors has been classified among the most efficient and economical mitigation practices against metallic degradation and failure. This study aims to integrate the features of green and ... -
Fetal ECG extraction from maternal ECG using deeply supervised LinkNet++ model
( Elsevier , 2023 , Article)Fetal heart monitoring and early disease detection using non-invasive fetal electrocardiograms (fECG) can help substantially to reduce infant death through improved diagnosis of Coronary Heart Disease (CHD) in the fetus. ... -
Region of Interest Optimization for Delay-sensitive Telemedicine Applications
( IEEE , 2022 , Conference Paper)Telemedicine is a rising technology that is gaining a lot of interest in the recent decades. Several applications of telemedicine are delay-sensitive and need to be operated in real-time. One of which is surgical tele-mentoring ...
